The Best Time to Visit Little Missouri National Grassland, the United States for Weather, Safety, & Tourism

The best times to visit Little Missouri National Grassland for ideal weather are

May 28th to September 30th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

Weather in Little Missouri National Grassland

Temperature

Average temperatures in Little Missouri National Grassland vary an incredible amount. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a low chance of precipitation most of the year. The area is less temperate than some — in the 35th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Little Missouri National Grassland, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 88.4°F (31.3°C) with temperatures rarely dropping below 56.9°F (13.8°C) at night.

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Average Little Missouri National Grassland Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Little Missouri National Grassland are November, January, and then February. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid November. For example, on the week of November 12th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late May with an average of 2 days of significant precipitation the week of May 21st.

When can you find snow in Little Missouri National Grassland? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Average Rain and Snow by Month

Humidity and Wind

Little Missouri National Grassland has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is September (48.1% relative humidity), and the most humid month is December (67.8%).

Wind in Little Missouri National Grassland is usually moderate. The windiest month is January, followed by April and March. January’s average wind speed of around 12.2 knots (14 MPH or 22.6 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late January where average top sustained speeds reach 21.1 knots, which is considered a fresh breeze.

Average Wind Speeds

Is it Safe to Travel to Little Missouri National Grassland?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Dec 04, 2023.

The Busiest and Least Crowded Months

The busiest month for tourism in Little Missouri National Grassland, the United States is August, followed by July and April. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Little Missouri National Grassland in December. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

Overall Little Missouri National Grassland Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 71.2°F (21.8°C) and 26.6°F (-3°C) with warmer temperatures in the later months. Rain is somewhat common with 3 to 7 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see moderate precipitation with 4 to 6 days of precipitation per month. June – August is the busiest season for tourism in Little Missouri National Grassland, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 80.7°F (27.1°C) and 36.8°F (2.7°C), which will feel chilly given the humidity and wind. It rains or snows a normal amount: 1 to 4 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is far too cold this time of year in Little Missouri National Grassland to be enjoyable for warm weather travelers. The average high during this season is between 37.6°F (3.1°C) and 25.7°F (-3.5°C). On average, it rains or snows a smalll amount: 1 to 3 times per month. These times of year are the slowest with tourists.

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